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Somebody in the thread at some point said:
| I think this one needs to be re-opened as a high-priority kernel
| problem. It seems likely that hackery will be required, but it would be
| preferable if that hackery was hidden inside the kernel rather than
| requiring the equivalent of access hatches cut into the engine
| compartment and a full set of wrenches and tools, just to be able to let
| the driver shift gears.
Atheros guys themselves recommend removing and re-inserting the driver
stack as the way to get the WLAN device recognized again after depower.
~ Yes, that's the vendor recommendation.
I believe it too, because I actually implemented the power switching
stuff and found that WLAN was never subsequently recognized after
powering it, and went and asked the Atheros guys.
So... unless we:
~ - fix the Atheros stack, or,
~ - throw out the Atheros SDIO stack, which there is some little hope
about, and the mainline one acts better
modprobe-cycling the existing stack is the way forward, and something we
can do to improve things today.
- -Andy
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